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ISO/PRF 7380-4

Fasteners — Button head screws with reduced loadability — Part 4: Hexalobular socket button head screws with collar

General information

Current stage: 50.00 Effective date: Dec 15, 2025

Originator: ISO

Owner: ISO/TC 2/SC 11

Type: International Standard

ICS: 21.060.10

Scope

This document specifies the properties of size M3 to size M12 button head screws with collar and a hexalobular internal driving feature, of product grade A and with a reduced loadability.

Life cycle

NOW

PROJECT
ISO/PRF 7380-4
50.00 Final text received or FDIS registered for formal approval
Dec 15, 2025